{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["cell type", "DNA", "protein", "RNA", "cell line"], "input": "Possible mechanisms by which these proteins may regulate transcription of the epsilon-globin-encoding gene in erythroid and non-erythroid cells are discussed."}
{"cell type": ["erythroid", "erythroid and non-erythroid cells", "non-erythroid cells"], "DNA": ["epsilon-globin-encoding gene"], "protein": [], "RNA": [], "cell line": []}